FOR PCIE 99100 4S 4-Port PCI Express RS232 Serial Controller Card — 4× DB9 COM Ports PCIe Adapter

The FOR PCIE 99100 4S is a PCI Express serial controller card that adds four RS232 COM ports to your PC. This 4-port DB9 serial port card installs into a PCIe slot to provide 4 physical DB9 rs-232 connections, expanding your system’s serial I/O. Use this pci-e adapter/controller card to convert PCI Express lanes into four RS-232 COM ports for connecting serial devices.